# A295616 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 10 4 24 5 52 6 102 7 189 8 337 9 584 10 992 11 1661 12 2753 13 4530 14 7416 15 12097 16 19683 17 31970 18 51864 19 84067 20 136187 21 220535 22 357029 23 577898 24 935289 25 1513578 26 2449288 27 3963318 28 6413090 29 10376925 30 16790566 31 27168077 32 43959265 33 71128001 34 115087963 35 186216700